Marines with 8th Engineer Support Battalion low crawl through muddy water during a squad competition at Canon Air Defense Complex, Yuma, Ariz., Oct. 24, 2016. Squad competitions happen among every squadron throughout the Marine Corps to build camaraderie and foster good-spirited competition between the separate elements that make up the unit.

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Photo credit: © David Wa / Alamy / Afripics
License: Licensed
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